CN101829685A - Direct transmission device of rolling mill - Google Patents
Direct transmission device of rolling mill Download PDFInfo
- Publication number
- CN101829685A CN101829685A CN200910058567A CN200910058567A CN101829685A CN 101829685 A CN101829685 A CN 101829685A CN 200910058567 A CN200910058567 A CN 200910058567A CN 200910058567 A CN200910058567 A CN 200910058567A CN 101829685 A CN101829685 A CN 101829685A
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- gear
- adjustable
- transmission device
- adjustable gear
- governor motion
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Abstract
The invention relates to a direct transmission device of a rolling mill, mainly comprising gears, an axle center moving member and an automatic adjusting mechanism. In the direct transmission device, overlong universal shafts and universal joints of the traditional rolling mill are canceled, and the gears directly drive an upper roll and a lower roll to rotate towards mutually-opposite directions; the gears are four in all, wherein one gear, one transmission gear and one gear with adjustable center distance are respectively arranged at the shaft ends of the upper roll and the lower roll; and axle centers of the gear of the lower roll and the transmission gear are stationary. When the upper roll ascends or descends to cause the axle center change of the gear, the automatic adjusting mechanism drives the adjustable gear to move, and the center distance of each original gear is kept to be stationary, the precision can be accurate to 0.02mm, and the axle center of each gear is always stationary when the direct transmission device works. The device cancels the universal shafts and quick-wear parts, such as the universal joints, and the like, greatly reduces the occupying space of the rolling mill in a workshop, improves the transmission efficiency and saves the cost.
Description
Affiliated technical field
The present invention relates to a kind of direct transmission device of rolling mill driving member, particularly milling train.
Background technology
In the existing rolling mill main transmission, all be to link to each other with universal joint with an end of roll with long universal drive shaft one end, an end links to each other with universal joint with the gearbox output gear shaft that motor is joined.This kind of drive, advantage are that roll is regulated high low gap conveniently.Shortcoming is: 1, universal drive shaft is often long, and it is too big that the shared interior space is installed; 2, transmission has angle between universal drive shaft and the roll mandrel, and this has caused transmission efficiency influenced, i.e. energy loss; 3, universal drive shaft and universal joint all are consumable accessorys, and cost is than higher.
Summary of the invention
The objective of the invention is to overcome the deficiency of existing rolling mill, provide a kind of direct with the gear drive roll and without the direct transmission device of the milling train of universal drive shaft.
The present invention is achieved in that mainly and is made of topping roll gear, bottom roll gear, side gear, adjustable gear, axle center moving member, automatic governor motion.
Now be example with the rolling sheets, purpose is in order to regulate the distance between two rolls.Topping roll axle one end is extended outside the frame, and the axle head gear that is connected deserves to be called roller gear here.Equally, bottom roll axle one end is extended outside the frame, the gear that is connected above claims the bottom roll gear here.Establish a side gear and an adjustable gear again, these four gears are in same transmission plane.Side gear is connected with the output shaft of speed changer that motor connects, on one side with the bottom roll gear nibble mutually and.Adjustable gear nibble mutually with the topping roll gear on one side and, following nibble mutually with side gear and, side gear has just changed the rotation direction of topping roll through adjustable gear like this, makes two rolls can be with rightabout rotation each other.The axle center of bottom roll gear and side gear is all fixed, and is fixed on the gear box casing.The two ends, axle center of adjustable gear all are fixed on the moving member of axle center.The axle center moving member moves, and move naturally thereupon in the axle center.In fact, the axle center of adjustable gear can with adjustable gear with nibble mutually and the centre-to-centre spacing of side gear be left and right moving on one section circular arc being drawn of radius.Move hereinafter to be referred as left and right.Automatically the governor motion cardinal principle is round nut pipe rotation of speed changer drive of motor, a rhizoid bar that is enclosed within the nut pipe can forward and backwardly be moved, i.e. left and right moving among the figure.The screw mandrel front end links to each other with the axle center moving member of adjustable gear.The forward and backward of motor has promptly driven the left and right of adjustable gear and has moved.Adjustable range rises or descends between the topping roll gear is because of roll, and adjustable gear is corresponding under automatic governor motion control to be moved to the left or to the right, remain with the topping roll gear centre apart from constant, keep constant with the centre-to-centre spacing of side gear.That is to say, in the topping roll gear rises or descends, with adjustable gear centre when increasing, the roller gear direction that promptly makes progress adjustable gear moves, in the rise and fall of topping roll gear, with adjustable gear centre when reducing, adjustable gear promptly dorsad topping roll gear direction move, keep centre-to-centre spacing constant.Automatically governor motion is numerical control, moves the accurate control of energy for adjustable gear axis, and rises or how much descend for topping roll gear 1, and how many adjustable gear axis moves to the left or to the right, can both correspondence make control.The axle center moving member can be the axle bed of adjustable gear, also can be the lever body that two clamping plate are formed.Making the left and right mobile mode of adjustable gear, can be that automatic governor motion directly drives the left and right mobile structure of adjustable gear shaft block, also can be that automatic governor motion drive lever (two clamping plate are formed) makes the left and right mobile structure of adjustable gear axis.
The invention has the advantages that, cancelled the oversize everything axle of existing bundle machine, make the bundle machine take the space, workshop and reduce, and changed transmission efficiency.
Description of drawings
Fig. 1 is that automatic governor motion drive lever (two clamping plate) makes the left and right moving structure figure of adjustable gear, i.e. fundamental diagram.
Fig. 2 is the right view of Fig. 1.
Fig. 3 be automatic governor motion drive adjustable gear shaft block left, structure chart moves right.
Fig. 4 is automatic governor motion schematic diagram.
In the accompanying drawing, topping roll gear 1, bottom roll gear 2, lever (clamping plate) 3, pivot pin 4, connector 5, guide holder 6, screw mandrel 7, nut pipe 8, motor and speed changer 9, handle 10, adjustable gear 11, gear shaft 12, gear box casing 13, side gear 14, topping roll 15, bottom roll 16, shaft coupling 17, frame 18, deep-slotted chip breaker 19, axle bed 20.
The specific embodiment
Among Fig. 1, topping roll gear 1 and adjustable gear 11 engagements, adjustable gear 11 and side gear 14 engagements, side gear 14 is connected with the motor transmission output gear, and is meshed with bottom roll gear 2.Bottom roll gear 2 is all fixed with the axle center of side gear 14.Totally two on lever (clamping plate) 3, lower end (fixing) respectively can rotate at side gear axle two ends.Adjustable gear shaft 12 two ends are separately fixed at two levers (clamping plate), 3 middle parts.Automatically the connector 5 of governor motion is enclosed within on lever (clamping plate) the 3 top pivot pins 4 (referring to Fig. 4 and Fig. 2).Lever (clamping plate) 3 can be that suitable angle is back and forth rotated in the center of circle with the side gear axle center, and adjustable gear axis is left and right to be moved and drive.Automatically governor motion is made of connector 5, guide holder 6, screw mandrel 7, nut pipe 8, motor and speed changer 9, as Fig. 4.Automatically governor motion is provided with the handle 10 that can manually control, can take manual control in case of necessity.Automatically the screw mandrel 7 of governor motion connects together with connector 5.5 liang of inner edges of connector are close to pivot pin 4, and inside casing has certain space up and down, and the upper-lower position of pivot pin 4 changed when allowing lever (clamping plate) 3 beats.But this upper and lower position variable quantity is very little.Nut pipe 8 can only rotate, can not move left and right.Screw mandrel 7 passes guide holder 6, is screwed in the nut pipe 8, can not rotate, and can only left and rightly move.Operation principle is that the speed changer of motor rotates nut pipe 8, so screw mandrel 7 just can be left and right mobile, thereby draws (or pushing away) pivot pin 4 left and right moving.When topping roll gear 1 rises or descends, when the centre-to-centre spacing of topping roll gear 1 and adjustable gear 11 increases, automatically the governor motion motor just changes, screw mandrel moves to left, the pivot pin 4 of pushing lever (clamping plate) 3 tops, thereby pushing lever (clamping plate) 3 are to turn left in the center of circle with the axle center of side gear 14, and drive adjustable gear 11 and move to left, and guarantee that this gear and topping roll gear 1 centre-to-centre spacing are constant.In like manner, in topping roll gear 1 rose or descends, when reducing with adjustable gear 11 centre-to-centre spacing, the counter-rotating of the motor of governor motion made lever (clamping plate) 3 deflections to the right automatically, drives adjustable gear 11 and moves to right, and kept between this two gear centre-to-centre spacing constant.
Fig. 2 is the right view of Fig. 1, and topping roll 15 is linked to be same axis by shaft joint 17 and topping roll gear shaft 12.Bottom roll 16 is linked to be same axis by shaft joint 17 and side gear axle 12, is equivalent to front described " it is outer that roll mandrel one end extends frame ".Totally two on lever (clamping plate) 3, the lower end is fixed on the side gear axle 12, the top, the connector 5 of automatic governor motion is through in the middle of two levers (clamping plate) 3 by pivot pin 4.
Fig. 3 be automatic governor motion drive adjustable gear shaft block 20 left, structure chart moves right.Four gears are meshing with each other the same among situation and Fig. 1, have just cancelled lever (clamping plate) mechanism.The axle of adjustable gear 11 is through on the axle bed 20, and axle bed 20 is embedded in the deep-slotted chip breaker 19, and the last camber line of deep-slotted chip breaker 19 and following camber line all are that the axle center with side gear 14 is that mark in the center of circle.With the side gear axle center is the center of circle, is one section arc that radius marks with centre-to-centre spacing between adjustable gear 11 and the side gear 14, promptly is the left and right mobile track of adjustable gear axis, also is the center line of the upper and lower arc of deep-slotted chip breaker.Automatically different among the connector 5 of governor motion screw mandrel 7 front portions and Fig. 1 is that left and right two connectors 5 respectively are clipped on the adjustable gear 11 both sides axle beds 20 here.Be connected with axle bed 20 usefulness pivot pins 4.Two connectors 5 exceed adjustable gear 11 outer appropriate locations and promptly are integrally combined, and even are integral admittedly with screw mandrel 7.When topping roll gear 1 rises or descends, when increasing or reducing with adjustable gear 11 centre-to-centre spacing, governor motion promptly drives axle bed 20 or be moved to the left to the right automatically, guarantees that adjustable gear 11 is constant with topping roll gear 1 centre-to-centre spacing.Topping roll gear 1 upper and lower moving, governor motion drives adjustable gear 11 left and right moving automatically, promptly cause adjustable gear axis left and right moving on a camber line, and make this gear axis have upper and lower displacement to take place, but this upper and lower displacement amount is very little.
Claims (6)
1. the direct transmission device of milling train mainly is made of topping roll gear, bottom roll gear, side gear, adjustable gear, axle center moving member, automatic governor motion, it is characterized in that:
(1) output shaft of the speed changer that connected of side gear and motor links to each other, and is meshed with the bottom roll gear, is meshed with adjustable gear again, and the topping roll gear is meshed with adjustable gear;
(2) axle center of adjustable gear can with adjustable gear with nibble mutually and the centre-to-centre spacing of side gear be left and right moving on one section circular arc being drawn of radius;
(3) adjust distance between the topping roll gear is because of roll and rises or descends, adjustable gear is in that governor motion is to the left or to the right corresponding under controlling automatically, and the centre-to-centre spacing that remains, maintenance constant with topping roll gear centre distance and side gear is constant.
2. the direct transmission device of milling train according to claim 1, it is characterized in that: making the left and right mobile mode of adjustable gear can be that automatic governor motion directly drives the left and right mobile structure of adjustable gear shaft block, also can be that automatic governor motion drive lever (two clamping plate are formed) makes the left and right mobile structure of adjustable gear axis.
3. the direct transmission device of milling train according to claim 1 is characterized in that: on the governor motion, be provided with the handle that can manually control automatically, also can take manual control in case of necessity.
4. the direct transmission device of milling train according to claim 1, it is characterized in that: the axle center moving member can be the axle bed of adjustable gear, also can be the lever body that two clamping plate are formed.
5. the direct transmission device of milling train according to claim 1, it is characterized in that: this cover mechanism that adjustable gear axis moves by lever, the lower end of lever (clamping plate) is fixed on side gear axle two ends, can rotate, adjustable gear shaft two ends are separately fixed at two lever middle parts, automatically the connector of governor motion is enclosed within on the pivot pin of lever top, and lever can be that suitable angle is back and forth rotated in the center of circle with the side gear axle center, and adjustable gear axis is left and right to be moved and drive.
6. the direct transmission device of milling train according to claim 1, it is characterized in that: adjustable gear axis is directly to drive this cover mechanism that this gear shaft block moves by automatic governor motion, the axle bed at adjustable gear shaft two ends, the centre-to-centre spacing of offering on gear housing (support) with adjustable gear and side gear is move left and right in one section arc groove of radius, keep constant, keep constant with side gear center square with topping roll gear centre square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910058567A CN101829685A (en) | 2009-03-11 | 2009-03-11 | Direct transmission device of rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910058567A CN101829685A (en) | 2009-03-11 | 2009-03-11 | Direct transmission device of rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101829685A true CN101829685A (en) | 2010-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910058567A Pending CN101829685A (en) | 2009-03-11 | 2009-03-11 | Direct transmission device of rolling mill |
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| CN (1) | CN101829685A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227737A (en) * | 2019-06-24 | 2019-09-13 | 太原太钢大明金属制品有限公司 | A kind of strong machine in the wrong of band steel lateral flexure degree |
| CN111774861A (en) * | 2020-09-07 | 2020-10-16 | 山东奥朗斯顿智能装备有限公司 | Heat exchange tube bundle tube penetrating device for heat exchanger |
| CN117772808A (en) * | 2024-02-23 | 2024-03-29 | 太原理工大学 | Gear device for calibrating different speed ratio and asynchronous rolling mill |
| CN117772808B (en) * | 2024-02-23 | 2024-05-10 | 太原理工大学 | Gear device for calibrating different speed ratio and asynchronous rolling mill |
-
2009
- 2009-03-11 CN CN200910058567A patent/CN101829685A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227737A (en) * | 2019-06-24 | 2019-09-13 | 太原太钢大明金属制品有限公司 | A kind of strong machine in the wrong of band steel lateral flexure degree |
| CN111774861A (en) * | 2020-09-07 | 2020-10-16 | 山东奥朗斯顿智能装备有限公司 | Heat exchange tube bundle tube penetrating device for heat exchanger |
| CN117772808A (en) * | 2024-02-23 | 2024-03-29 | 太原理工大学 | Gear device for calibrating different speed ratio and asynchronous rolling mill |
| CN117772808B (en) * | 2024-02-23 | 2024-05-10 | 太原理工大学 | Gear device for calibrating different speed ratio and asynchronous rolling mill |
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Application publication date: 20100915 |